← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 930 · 40 questions
TalentJR

The fast method (Keep a running total): Start with the first number. Add the tens of the next number, then its ones. Keep going until the list ends — only one total in your head at a time.

NameDateTime takenScore ___ / 40
  1. 1.70 + 61 + 57 + 21 =
  2. 2.38 + 25 + 26 + 83 =
  3. 3.16 + 33 + 51 + 76 =
  4. 4.73 + 31 + 89 + 25 =
  5. 5.81 + 41 + 87 + 44 =
  6. 6.75 + 71 + 78 + 25 =
  7. 7.76 + 42 + 13 + 80 =
  8. 8.23 + 42 + 35 + 33 =
  9. 9.58 + 81 + 28 + 34 =
  10. 10.59 + 82 + 74 + 17 =
  11. 11.29 + 27 + 64 + 27 =
  12. 12.50 + 22 + 40 + 83 =
  13. 13.58 + 40 + 82 + 43 =
  14. 14.82 + 57 + 30 + 69 =
  15. 15.34 + 66 + 11 + 67 =
  16. 16.66 + 78 + 49 + 49 =
  17. 17.32 + 36 + 84 + 13 =
  18. 18.28 + 43 + 56 + 38 =
  19. 19.86 + 63 + 65 + 45 =
  20. 20.20 + 46 + 44 + 26 =
  21. 21.54 + 33 + 21 + 59 =
  22. 22.54 + 11 + 26 + 70 =
  23. 23.40 + 72 + 45 + 60 =
  24. 24.17 + 67 + 36 + 56 =
  25. 25.72 + 71 + 32 + 38 =
  26. 26.20 + 32 + 70 + 46 =
  27. 27.25 + 32 + 29 + 59 =
  28. 28.35 + 19 + 56 + 35 =
  29. 29.49 + 22 + 15 + 60 =
  30. 30.55 + 22 + 42 + 19 =
  31. 31.36 + 85 + 12 + 19 =
  32. 32.43 + 61 + 38 + 13 =
  33. 33.71 + 54 + 40 + 31 =
  34. 34.41 + 20 + 26 + 83 =
  35. 35.42 + 79 + 78 + 41 =
  36. 36.58 + 34 + 15 + 20 =
  37. 37.13 + 17 + 77 + 86 =
  38. 38.77 + 87 + 36 + 13 =
  39. 39.62 + 76 + 57 + 56 =
  40. 40.62 + 78 + 18 + 47 =

Answer key

  1. 209
  2. 172
  3. 176
  4. 218
  5. 253
  6. 249
  7. 211
  8. 133
  9. 201
  10. 232
  11. 147
  12. 195
  13. 223
  14. 238
  15. 178
  16. 242
  17. 165
  18. 165
  19. 259
  20. 136
  21. 167
  22. 161
  23. 217
  24. 176
  25. 213
  26. 168
  27. 145
  28. 145
  29. 146
  30. 138
  31. 152
  32. 155
  33. 196
  34. 170
  35. 240
  36. 127
  37. 193
  38. 213
  39. 251
  40. 205

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths